diff --git a/perlin.py b/perlin.py
index fbdd717..874b6f9 100644
--- a/perlin.py
+++ b/perlin.py
@@ -86,7 +86,7 @@ def __init__(self, period=None, permutation_table=None):
 		prove useful, they will not be "pure" simplex noise. The largest
 		element in the sequence must be no larger than period-1.
 
-		period and permutation_table may not be specified togther.
+		period and permutation_table may not be specified together.
 		"""
 		if period is not None and permutation_table is not None:
 			raise ValueError(